Switch button between accelerometr and gui buttons

Help please make switch onGui button between the controls turning script car.Button between turning car buttons and accelerometer .... There is a script .... Give an excerpt from the script under the control of the accelerometer and buttons if you need to give all of it))

if (UseXAxis) { if (!InvertAxis) { steer = Mathf.Clamp(Input.acceleration.x steerSensitive/2, -1, 1); } else { steer = Mathf.Clamp(-Input.acceleration.x steerSensitive/2, -1, 1); } }

{ if (!InvertAxis) { steer = Mathf.Clamp(Input.acceleration.y steerSensitive/2, -1, 1); } else { steer = Mathf.Clamp(-Input.acceleration.y steerSensitive/2, -1, 1); }

}

if(leftButt.IsPressed()) { steer = -1;

} if(rightButt.IsPressed()) { steer = 1;

} if(!leftButt.IsPressed() && !rightButt.IsPressed()) { steer = 0; }